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Patent Searching and Data


Matches 451 - 500 out of 1,198

Document Document Title
WO/2016/110495A1
The present invention relates to a completion release device (1), comprising a mandrel device (10) and a housing device (20). The mandrel device (10) comprises an upper mandrel section (10a) and a lower mandrel section (10b). The housing...  
WO/2016/105279A2
A method of removing materials by their disintegration, especially metal tubes and non-metal materials, particularly in an area of a borehole, by thermal disintegration of materials by action of plasma created in a plasma generator, by h...  
WO/2016/099282A1
The invention relates to a method for recovering a tubular structure (3) from a well (1), wherein a so-called free point (4) is defined as the location (2) where the tubular structure (3) is stuck in the well (1). The method comprising s...  
WO/2016/100064A1
A method for triggering a tool disposed in a wellbore includes: running the tool into the wellbore; running a heater into the wellbore and into a bore of the downhole tool; and while in the bore, operating the heater to heat a portion of...  
WO/2016/093705A1
A cutting unit (1) for a well pipe (4), the cutting unit (1) including a tool housing (6) axially displaceable and rotatable in the well pipe (4), and there being, arranged in the tool housing (6), at least one cutting tool (16) displace...  
WO/2016/090452A1
The present invention relates to equipment for installing and removing plugs in subsea wells, comprising a hydraulic cylinder (1) coupled to specific tools (9) for installing and removing plugs (2) in piping suspenders (3) or subsea Chri...  
WO/2016/089360A1
A device and method of repairing a damaged portion of a seal bore interconnected in a tubing string, where the device can include a chamber, a piston positioned within the chamber, and a filler material contained within the chamber. A fo...  
WO/2016/085752A1
In one aspect, degradable material is disclosed, including: a polyurethane component with a first degradation rate in a downhole environment; and a corrosive additive component with a second degradation rate that is higher than a first d...  
WO/2016/085899A1
A casing mill having a main body with cutter bases with cutters mounted on the cutter bases. The cutter bases are moved radially by operating arms which are rotatably attached to the main body, which are in turn moved by an operating mec...  
WO/2016/078662A1
An offshore well-processing system for performing one or more well-processing tasks on one or more wells of an off-shore oil or gas reservoir, the system comprising a mobile offshore drilling unit and a remote well-processing device conf...  
WO/2016/079512A1
A tool for manipulating a tubular, such as casing or production tubing, in a downhole environment, this described. The tool comprises a housing defining a chamber, the chamber having at least one outlet, a propellant source located withi...  
WO/2016/077435A1
Disclosed embodiments may relate to methods and devices which may assist in removal of casing from a wellbore, for example during abandonment operations. In an embodiment, the tool device may have a sleeve rotationally disposed on a hous...  
WO/2016/067020A1
A tool for penetrating a tubular as described. The tool comprises at least one length of linear shaped charge, a carrier adapted to support the/each length of linear shaped charge, and at least one detonation mechanism for detonating the...  
WO/2016/069305A1
A non-explosive downhole tool for creating openings in tubulars and or earthen formations includes a carrier holding a non-explosive material, such as thermate, a head connected with the carrier and having a port to eject a product of th...  
WO/2016/068719A1
An arrangement for plugging a wellbore (11) in an underground formation (1), in which a non-rotatable tool string (6) extends from a well-plugging module (5) arranged over a wellhead (3) down to a plugging zone (112) in the wellbore (11)...  
WO/2016/065244A1
A completions clamp for connecting components together in a wellbore. The completions clamp constructed of an eutectic material providing for controlled release of the connection in response to heating.  
WO/2016/064582A1
As compared to a BOP, a compact lightweight cutting system comprises two gates with cutters moveable in opposite directions to cut drill pipe. In one embodiment, the system comprises a relatively short stroke and utilizes relatively less...  
WO/2016/063191A1
A safety valve (10) for a production wellhead comprises a central passage for a well string (12) and a blocking system (14, 16) for firmly keeping the string to be cut fixed with respect to the safety valve (10), a cutting and closing gr...  
WO/2016/060571A1
A weak link arrangement (1) designed for location on an umbilical (6, 7) extending on the seabed between respective structures potentially subjected to environmental hazards, like being snapped by an iceberg, which umbilical includes com...  
WO/2016/048157A1
There is provided a method for removing iron-containing casing from a well bore comprising providing a cathode in said well bore, wherein said cathode is connected to the negative pole of a power source; connecting said iron-containing c...  
WO/2016/048158A1
There is provided a method of chemically removing iron-containing casing from a well bore comprising injecting an acidic solution into said well bore, wherein said solution contacts said iron-containing casing and thereby accelerates oxi...  
WO/2016/038482A1
An electrochemical well pipe cutting instrument (1), applicable in particular for cutting any type of pipes (2) accessing underground works (4) with conductive fluid inside, comprising at least one mean for ensuring electrical continuity...  
WO/2016/030670A2
The invention provides a method and apparatus for accessing a hydrocarbon storage cell and/or removing hydrocarbons therefrom. An access method comprises installing an anchor hub in a capping plate of the hydrocarbon storage cell, and dr...  
WO/2016/028537A1
Casing removal operations may utilize an analytical model to the estimate the total force to (1) break bonding between a cut casing and the annular materials contained between the cut casing and the surrounding borehole and (2) pull the ...  
WO/2016/024122A2
A first aspect of the invention provides a gas or oil well tubing having an annular packer mounted thereon, wherein the annular packer is formed from an eutectic alloy. By prefabricating the annular packer on the tubing it can be placed ...  
WO/2016/025275A1
A wellbore plug isolation system and method for positioning plugs to isolate fracture zones in a horizontal, vertical, or deviated wellbore is disclosed. The system/method includes a wellbore casing laterally drilled into a hydrocarbon f...  
WO/2016/025271A1
A wellbore plug isolation system and method for positioning plugs to isolate fracture zones in a horizontal, vertical, or deviated wellbore is disclosed. The system/method includes a wellbore casing laterally drilled into a hydrocarbon f...  
WO/2016/025270A1
A wellbore plug isolation system and method for positioning plugs to isolate fracture zones in a horizontal, vertical, or deviated wellbore is disclosed. The system/method includes a wellbore casing laterally drilled into a hydrocarbon f...  
WO/2016/024123A1
A downhole tool for use in a gas or oil well is provided. The tool comprising a length of tubing having at least one annular sealing means mounted on the outer surface thereof. The annular sealing means, which are formed from a eutectic/...  
WO/2016/025272A1
A wellbore plug isolation system and method for positioning plugs to isolate fracture zones in a horizontal, vertical, or deviated wellbore is disclosed. The system/method includes a wellbore casing laterally drilled into a hydrocarbon f...  
WO/2016/022636A1
A mill includes a barrier to promote re-circulation of debris and cuttings to the face of the mill. The face of the mill may include cutting elements. A barrier may obstruct the flow of cuttings and debris away from the face to re-circul...  
WO/2016/022633A1
Milling systems, tools, and methods include using a mill with secondary attrition system to re-mill cuttings and other debris away from the face of the mill. The secondary attrition system may be located uphole of the mill may be used to...  
WO/2016/010510A1
An apparatus includes a propellant chamber, an expansion chamber, an exit chamber comprising a port providing fluid communication outside the apparatus, and a longitudinal acceleration chamber. The longitudinal acceleration chamber inclu...  
WO/2016/011085A1
A wellbore intervention tool for use in penetrating an obstruction in a wellbore includes a cutting tool having at least one rotating cutter member for penetrating the obstruction. A displacement mechanism coupled to the cutting tool set...  
WO/2016/007829A1
A jet cutter apparatus and method for using a single bridge wire or a plurality of bridge wires to uniformly detonate a booster and thereby cause a uniform detonation of the explosives adjacent to the liners, thereby causing a uniform co...  
WO/2016/007700A1
A mill for use in milling a section in a wellbore is disclosed that includes a first concave curved section followed by a substantially flat section and a second concave curved section following the substantially flat section and a numbe...  
WO/2016/007182A1
What is presented is a combustible pellet for creating heated gas. The combustible pellet can be inserted into a cutting apparatus or a high power igniter or both. The combustible pellet is compacted to be resistant to mechanical damage,...  
WO/2016/005364A1
Method and means are provided for release of an ROV operable subsea clamp connector, the clamp connector (101) comprising at least two clamp segments (102,103) hinged to move pivotally, a drive screw(107) connecting the clamp segments by...  
WO/2016/001628A1
A valve apparatus (10) comprises a housing (12) defining a flow path (14), a valve seat (42) located within the housing (12) around a periphery of the flow path (14), a carriage member (16) located within the housing (12), a cutting arra...  
WO/2015/197703A1
A well casing or liner shoe (10) comprises a partially of fully openable central fluid channel (13) which is connected to at least one small width nozzle (46) and an additional large width fluid outlet (49), which is closed by a thin wal...  
WO/2015/196095A1
An apparatus and method for providing a fiber optic cord in a perforating gun, the fiber optic cord may be multi-mode fiber optic or single mode fiber optic and may be used for communication with a perforating gun.  
WO/2015/187610A1
Systems and methods usable in conduit cutting operations are disclosed. Specifically, an anchor assembly is configured to be attached to a cutting apparatus and to equalize the upward and downward forces on the cutting apparatus during p...  
WO/2015/175025A1
A wellbore intervention tool includes a housing and a means for locking the housing at a selected position inside a first wellbore pipe. The tool includes means for penetrating the first wellbore pipe extensible from the housing. The mea...  
WO/2015/168575A1
A wellbore casing cutting tool having multiple expandable cutter bases. The leading or downhole ends of the cutter bases are tapered, forming a tapered nose profile, and are covered with hardened cutting material to form a cutting surfac...  
WO/2015/167640A1
A wellbore isolation device comprising: a nanolaminate, wherein the nanolaminate comprises two or more layers of a first material and two or more layers of a second material, wherein the first material and the second material form a galv...  
WO/2015/163872A1
A method of severing a tubing string of a well system comprising: positioning a jet cutter within the tubing string, wherein the jet cutter comprises: (A) a main explosive load, wherein upon detonation or deflagration of the main explosi...  
WO/2015/159095A2
A downhole tool comprises a body having a fluid inlet and a fluid outlet and configured to accelerate fluid flowing along a fluid flow path from the inlet to the outlet. The fluid outlet is configured to provide a radially directed and s...  
WO/2015/160424A1
A wellbore isolation device comprises: a first material and a second material, wherein the first material and the second material form a galvanic couple and wherein the first material is the anode and the second material is the cathode o...  
WO/2015/159094A2
A method of severing a drill-string comprises reducing the load bearing cross-sectional area of the neck of a connection. The reduction in the area of the neck may be achieved using a precisely located flow-actuated cutter. The cutter ma...  
WO/2015/153947A1
An apparatus and method of cutting an object in a wellbore including a downhole cutting tool (10) having a source of abrasive material (24); a source of high pressure fluid (30) mixable with the abrasive material (23); a rotatable nozzle...  

Matches 451 - 500 out of 1,198